Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
The human brain uses approximately as much energy as a 10 watt light bulb.
120
There's 100 trillion good bacteria living in your body.
17
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59